Table 3 : Comparison of the APD1 and the IPD of the cervical spinal canal, the APD2 and the TD of the cervical spinal cord, the ratio R1 and the ratio R2 between male and female patients (division of P-values).

CANAL LOMBAIRE

SAC DURAL

RAPPORTS

APD1

IPD

APD2

TD

R1

R2

L1

0.93

0.86

0.26

0.26

0.44

0.26

L2

0.86

0.97

0.40

0.69

0.30

0.34

L3

0.84

0.95

0.70

0.18

0.44

0.35

L4

0.89

0.96

0.52

0.44

0.44

0.35

L5

0.92

0.96

0.48

0.35

0.44

0.26

P-values are higher than 0.05: absence of statistically significantly difference of diameters and the ratio between the male and female sex.